Keyboard



FIG. 1 is a front perspective view of a keyboard showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a keyboard shown of FIGS. 1-7 without surface shading;

FIG. 9 is a rear view thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom view thereof.

The line shading represents surface contour shape and does not represent surface ornamentation.

The broken lines in the drawings illustrate portions of the keyboard which form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 